With the Apex Nano Dot bow sight you have the ability to rapidly sight in on your target and know that where you see the dot through the scope is where your arrow will go. Made to be simple and flexible the Nano Dot gives an you edge over all other sights. Like any "red dot" sight a single dot is used as your reticle, you have windage and elevation adjustments so you can preset where you want an arrow to go at a certain range. With the Nano Dot you have the option of red or green for your dot and different brightness levels for each color. Plus the flexibility of the mounting system will accommodate almost any bow and left or right handed shooters. Finally the Nano Dot is water and shock resistant making it perfect for field use.